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/* creosote.c */
#include "creosote.h"
struct MrCreosote CreosoteServer;
void closeMrCreosote()
{
struct MrCreosote *c = &CreosoteServer;
if (c->socket)
{
#ifdef UNIX
close(c->socket);
#endif
#ifdef WIN32
closesocket(c->socket);
WSACleanup();
#endif
}
c->socket = 0;
}
#ifdef UNIX
int initializeMrCreosote()
{
struct MrCreosote *c = &CreosoteServer;
SOCKADDR_IN addr, *serv;
creosote_socket *s;
serv = &(c->serv_addr);
s = &(c->socket);
c->port = CREOSOTE_PORT;
strcpy(c->host, CREOSOTE_HOST);
bzero(serv, sizeof(*serv));
serv->sin_family = AF_INET;
serv->sin_addr.s_addr = inet_addr(c->host);
serv->sin_port = htons(c->port);
if ((*s = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
{
return(-1);
}
bzero((char *) &addr, sizeof(addr));
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = htonl(INADDR_ANY);
addr.sin_port = htons(0);
if (bind(*s, (struct sockaddr *) &addr, sizeof(addr)) < 0)
{
return(-1);
}
return(0);
}
#endif
#ifdef WIN32
int initializeMrCreosote()
{
struct MrCreosote *c = &CreosoteServer;
SOCKADDR_IN *serv;
creosote_socket *s;
WSADATA WsaData;
int enable = 1;
s = &(c->socket);
if (!c->port)
{
c->port = CREOSOTE_PORT;
}
if (!c->host[0])
{
strcpy(c->host, CREOSOTE_HOST);
}
if (0 != WSAStartup(MAKEWORD(2,0), &WsaData))
{
return(-1);
}
/* Set the address */
serv = &(c->serv_addr);
serv->sin_family = AF_INET;
serv->sin_addr.s_addr = inet_addr(c->host);
serv->sin_port = htons((short)c->port);
/* Create socket */
*s = socket(AF_INET, SOCK_DGRAM, 0);
if (INVALID_SOCKET == *s) { return(-1); }
/* Permit the socket to broadcast */
if (SOCKET_ERROR == setsockopt(*s, SOL_SOCKET, SO_BROADCAST, (char *) &enable, sizeof(enable)))
{
return(-1);
}
return(0);
}
#endif
void setMrCreosoteHost(char *host)
{
/*
If not using localhost, setMrCreosoteHost() must be called
before initializeMrCreosote().
*/
strcpy(CreosoteServer.host, host);
}
void setMrCreosotePort(int port)
{
/* must be done before initializeMrCreosote() is called */
CreosoteServer.port = port;
}
void spewMrCreosote(char *msg)
{
struct MrCreosote *c = &CreosoteServer;
sendto(c->socket, msg, strlen(msg), 0, (struct sockaddr *) &(c->serv_addr), sizeof(c->serv_addr));
}
#if 0
int main(int argc, char *argv[])
{
if ( (initializeMrCreosote()) < 0)
{
printf("initializeMrCreosote() failed\n");
exit(1);
}
spew("Hello, world");
closeMrCreosote();
return(0);
}
#endif
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